參數(shù)資料
型號(hào): FT4232HQ-REEL
廠商: FTDI, Future Technology Devices International Ltd
文件頁(yè)數(shù): 5/45頁(yè)
文件大小: 0K
描述: IC USB HS QUAD UART/SYNC 64-QFN
標(biāo)準(zhǔn)包裝: 1
系列: USBmadeEZ-FIFO
特點(diǎn): USB 至 UART 和(或)SPI、I2C、JTAG
通道數(shù): 4,QUART
FIFO's: 2048 字節(jié)
規(guī)程: RS232,RS422,RS485
電源電壓: 3 V ~ 3.6 V
帶自動(dòng)流量控制功能:
帶調(diào)制解調(diào)器控制功能:
帶CMOS:
安裝類(lèi)型: 表面貼裝
封裝/外殼: 64-VFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 64-QFN 裸露焊盤(pán)(9x9)
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁(yè)面: 634 (CN2011-ZH PDF)
配用: 768-1031-ND - MOD USB HS FT4232H EVAL
其它名稱: 768-1027-6
Copyright 2010 Future Technology Devices International Limited
13
Document No.: FT_000060
FT4232H QUAD HIGH SPEED USB TO MULTIPURPOSE UART/MPSSE IC
Datasheet Version 2.2
Clearance No.: FTDI#78
3.4.2 FT4232H pins used in a Synchronous or Asynchronous Bit-Bang
Interface
The FT4232H channel A, B, C or channel D can be configured as a bit-bang interface. There are two types
of bit-bang modes: synchronous and asynchronous.
When configured in any bit-bang mode (synchronous or asynchronous), the pins used and the
descriptions of the signals are shown in Table 3.6
Channel
Number
Pin Nos.
Name
Type
Synchronous or Asynchronous Bit-Bang
Configuration Description
A
24,23,22,21
,
19,18,17,16
ADBUS[7:0]
I/O
Channel A, D7 to D0 bidirectional bit-bang data
B
34,33,32,30
,
29,28,27,26
BDBUS[7:0]
I/O
Channel B, D7 to D0 bidirectional bit-bang data
C
46,45,44,43
,
41,40,39,38
CDBUS[7:0]
I/O
Channel C, D7 to D0 bidirectional bit-bang data
D
59,58,57,55
54,53,52,48
DDBUS[7:0]
I/O
Channel D, D7 to D0 bidirectional bit-bang data
Table 3.6 Channel A,B,C and Channel D Synchronous or Asynchronous Bit-Bang Configured Pin
Descriptions
For a functional description of this mode, please refer to section 4.5 Synchronous and Asynchronous Bit-
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